生命的化学

宇宙中其他地方生命的化学结构也许同地球上生命的一样。

The chemistry of life elsewhere in the universe may be the same as it is on Earth .

系外行星特征卫星将为更精密的望远镜起草一份星体候选名单，这些望远镜将有望探测大气中生命的化学特征。

Cheops will draw up a shortlist for later , more sophisticated telescopes that hope to probe atmospheres for the chemical signatures of life .

早期地球的环境变化和生命的化学进化

The environmental change of the primitive earth and the chemical evolution of life

在地球上最早的生物出现之前，有机物经历了漫长而复杂的化学进化过程，称为生命的化学进化。

The elongated and complicated chemical process before the earliest cellular organism is defined as the chemical evolution of life .

科学家已把无生命的化学物质转化为有生命的有机体，这项实验对生命的本质提出了意义深远的问题。

Scientists have turned inanimate chemicals into a living organism in an experiment that raises profound questions about the essence of life .

在火星上有大量的冰块，但是当水结冰时，形成生命的化学反应就会停止。

There is plenty of ice on Mars , but the chemical reactions for life come to a halt when water freezes .

科学家基本公认，无生命的化学物质自行组合形成生命，需要具备三个前提条件：

For lifeless chemical compounds to organize themselves into something alive , scientists generally agree , three sets of things must be present :

但维京的主要信念是一些化学实验室，他们寻找生命的化学迹象。

But what the main trust of Viking was actually was some chemical laboratories , and they look for the chemical signs of life .

地球上生命的化学进化与非生物部分的早期演化过程，是密切地相互关联、相互作用并相互制约的。

The chemical evolution of life and the early evolution of the earth 's lifeless components constituted a set of interrelated , interactive and restricted processes .

法案中原来有句话提醒人们注意：“讲授包括生物进化论、生命的化学起源、全球变暖及人类克隆在内的一些科学题材会引起争议”；

The original version of the bill warned that " the teaching of some scientific subjects " including " biological evolution , the chemical origins of life , global warming and human cloning , can cause controversy " ;

后者为生命基础的化学元素（C、N、P、S）在地球系统中的运动。

The later is related to the movements of key elements essential to life ( C , N , P , S ) in the Earth system .

蛋白质结构与功能关系的研究，不仅可以从分子水平上解释生命现象的化学本质，而且能促进生物学、医学等学科的发展。

The acknowledgement of structure and function of proteins could facilitate to explain the chemical nature of life phenomenon at the molecular level , but also boost the developments of other fields , such as biology , medicine .

基于生命周期评价的化学法合成生物柴油能耗与CO2净排放评价方法

The methodology to analysis the energy consumption and CO_2 emission of chemical synthesis of biodiesel based on life cycle assessment

仅仅是温暖潜存于生命肌体内部的化学力量吗？

Is it only the warm chemical power inside our body ?

事实上，一个人的生命和结晶的化学实验很相似。

In fact , one 's life and the chemistry of the crystallization experiments are very similar .

酶是一组蛋白质，其生物化学的功能是催化生命体系中的化学反应。

Enzymes are a group of proteins whose biochemical function is the catalysis of chemical reactions in living systems .

从配位化学的角度，论述了微量元素在人体生命过程中的化学行为。

The chemical behavior of trace elements in biotic process of human body on the basis of coordination chemistry theory was discussed .

这次花费4.2亿美元的任务，希望能发现含冰的火星土壤是否含有含有生命所必须的化学成份。

The $ 420 million mission hopes to find out whether the icy Martian soil contains the chemical ingredients necessary for life .

另一方面，木星和土星的某些区域具有适合某种生命形态生存的化学物质和气温。

On the other hand , parts of Jupiter and Saturn have chemicals and atmosphere temperatures suitable for some kind of life .

生命的物理和化学性质的概要应该不仅始于地球上而且还始于太阳内；

A summary of the physical and chemical nature of life must begin , not on the Earth , but in the Sun ;

根据经典的定义，生物化学是研究生物活性物质的化学组成和生命过程中的化学变化的科学。

Biochemistry , according to a classic definition , is the study of the chemical composition of living matter and of the chemical changes that occur in it during life processes .

总结生命的物理及化学性质不是从地球开始，而实际上必须从太阳开始，从太阳的正中心开始。

A summary of the physical and chemical nature of life must begin , not on the Earth , but in the Sun in fact , at the Sun 's very center .

科学家们表示，这股气体可能是生存在火星表层下面的显微生物释放出来的，但也有可能来自与生命无关的地球化学活动。

The gas might have been emitted from microscopic organisms living under the Martian surface , the scientists said , although it could also have come from geochemical processes not connected with life .

概说生命的物理和化学特性必须始于太阳--确切地说，是太阳的核心，而非地球。

A summary of the physical and chemical nature of life must begin , not on the Earth , but in the Sun ; in fact , at the Sun 's very center .

第二部分从回顾史实中用实例表明生物无机化学的研究始终瞄准金属离子和生物配体控制生命过程中的化学问题；

The second section , it indicate reviews by some examples from the reviews that the study of bioinorganic chemistry aim throughout at the metal ions and biological ligands control chemical problems in the course of life .

生物体内活性物质的分析和检测，对获取生命过程中的化学与生物信息、了解生物分子及结构与功能的关系、阐释生命活动的机理以及疾病的诊断都具有重要的意义。

The analysis and detection of the active materials in vivo are important to the achievement of chemical and biological information during the vital process . They are also important to explaining the living activities mechanism and diagnosing diseases .

但是当然，生命不仅仅是奇异的化学物质。

But of course , life is more than just exotic chemistry .

生命科学中的分析化学&蛋白质组分析

Analytical chemistry in life science & proteome analysis

头颈癌严重地威胁着人类生命，而传统的化学治疗方法由于受癌细胞对药物吸收率的限制，其疗效也受到限制。

Human life is imperiled seriously by head and neck cancer ( HNC ), and the curative effect of conventional chemotherapy is hardly limited by the limited absorbing rate for drug .

另一个限制条件是地外生命应该与地球上生命有类似的化学组成。

Another limiting condition is outside the life should the life have the similar chemical composition with the Earth on .